CN110586656A - Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill - Google Patents
Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill Download PDFInfo
- Publication number
- CN110586656A CN110586656A CN201910833454.XA CN201910833454A CN110586656A CN 110586656 A CN110586656 A CN 110586656A CN 201910833454 A CN201910833454 A CN 201910833454A CN 110586656 A CN110586656 A CN 110586656A
- Authority
- CN
- China
- Prior art keywords
- shaft end
- end baffle
- hydraulic cylinder
- baffle
- roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a method for ensuring accurate and in-place baffle cylinders of a coil splitting and leveling machine, which comprises the following steps of 1) adding an infrared temperature sensor on the leveling machine, wherein the infrared temperature sensor is used for detecting the temperatures of hydraulic pipelines at the inlet side and the outlet side of a working roll shaft end baffle hydraulic cylinder, an upper supporting roll shaft end baffle hydraulic cylinder and a lower supporting roll shaft end baffle hydraulic cylinder; 2) and when the roll of the temper mill is changed, opening and closing delay actions of the shaft end baffle of the working roll, the shaft end baffle of the upper supporting roll and the shaft end baffle of the lower supporting roll are controlled according to the measured temperatures of the hydraulic pipelines at the inlet side and the outlet side of the hydraulic cylinder of each shaft end baffle. The invention ensures smooth roll replacement, avoids manual confirmation of the position of the baffle and manual valve touch operation, and greatly reduces labor intensity. The risk of poor action of the sight line in the middle and night shifts is avoided. Avoid scraping and bumping and causing baffle deformation, pneumatic cylinder leakage accident in the roller process of taking out.
Description
Technical Field
The invention relates to the field of rolling equipment, in particular to a method for ensuring accurate positioning of a baffle cylinder of a coil splitting line leveler.
Background
The proximity switch device of the hot rolling 1580 split-winding leveler is used for signal feedback of the action of the baffle at the end of the working roll/supporting roll of the leveler and ensures the replacement operation of the working roll/supporting roll of the leveler. The proximity switch devices are arranged on two sides of the frame of the temper mill and on shaft end baffles, and the number of the proximity switch devices is 6. Through the button operation of the operation box beside the machine, the baffle hydraulic cylinder at the shaft end drives the baffles at the two sides to be opened and closed simultaneously.
The proximity switch device mainly comprises a device body, a stop iron, a proximity switch and a signal support. The feedback signal of the proximity switch is often in a condition that the signal is satisfied or not satisfied in advance due to impurities such as oil sludge, iron oxide scales and the like. The problem of insufficient scraping/condition in the roll changing process can be solved only by manually operating the contact valve and manually confirming. Because the bundling line is located hot rolling factory building west side, face the sea, apart from factory delivery gate distance less than 100 meters, the gate is in normally open state, the bundling line belongs to the cold line again, after weather changes the cold, because the sealed elasticity of pneumatic cylinder is inconsistent, lead to the pneumatic cylinder to appear the condition that the axle head baffle did not move the signal feedback signal that targets in place and satisfy when the action, and because actually not moving completely and target in place, lead to the work roll, and the backing roll can't be taken out, the card is scraped to the same work roll of axle head baffle, the emergence of backing roll bearing box. The feedback signal is satisfied, an operator can operate the drawing roller, the baffle blocks the working roller/supporting roller bearing box when the drawing roller is drawn, so that the drawing roller cannot be drawn out, the baffle is slightly deformed due to the fact that the shaft end baffle is scraped and bumped with the working roller/supporting roller bearing box in the drawing roller process, even if the shaft end baffle is operated by a manual contact valve, the shaft end baffle does not act, so that the roller system cannot be replaced, and the long-time treatment is needed.
Attempts have been made to solve this problem by replacing the proximity switch travel and changing the position of the proximity switch with the result that the proximity switch feedback signal is not satisfied nor can it be solved. Due to the fact that the problem occurs, in the roll changing process of the working roll of the temper mill, signals of the proximity switch device are lost when the baffle acts, the actual action position of the baffle needs to be confirmed manually, and then manual contact valve operation is carried out, so that the roll changing time of the working roll of the temper mill is prolonged, the roll changing efficiency is reduced, and the manual operation intensity is increased. Moreover, the sight condition is poor in middle and night shifts, operators have the phenomenon of valve collision mistake, and personal injury accidents are caused once related personnel stand within the action radius of misoperation equipment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for ensuring the accurate positioning of a baffle cylinder of a coil splitting and leveling machine, and avoiding accidents caused by the fact that a roll is not confirmed to be positioned during roll changing and personal injury accidents caused by poking a wrong valve during signal processing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for ensuring a baffle cylinder of a coil separating and leveling machine to be accurately in place specifically comprises the following steps:
1) an infrared temperature sensor is added on the temper mill and is used for detecting the temperature of hydraulic pipelines on the inlet side and the outlet side of a working roll shaft end baffle hydraulic cylinder, an upper supporting roll shaft end baffle hydraulic cylinder and a lower supporting roll shaft end baffle hydraulic cylinder;
2) and when the roll of the temper mill is changed, opening and closing delay actions of the shaft end baffle of the working roll, the shaft end baffle of the upper supporting roll and the shaft end baffle of the lower supporting roll are controlled according to the measured temperatures of the hydraulic pipelines at the inlet side and the outlet side of the hydraulic cylinder of each shaft end baffle.
The delay time is obtained by repeatedly testing and opening and closing the shaft end baffles at different environmental temperatures, recording the actually measured hydraulic pipeline temperature, and recording the time increased by the action of the hydraulic cylinder of the shaft end baffle according to the actually measured hydraulic pipeline temperature. The corresponding relation between the hydraulic pipeline temperature and the delay time determined according to the test result is as follows:
the temperature of the hydraulic pipeline is 10-15 ℃, and the delay time is 0.3 s;
the temperature of the hydraulic pipeline is 5-10 ℃, and the delay time is 0.5 s;
the temperature of the hydraulic pipeline is 0-5 ℃, and the delay time is 0.7 s;
the temperature of the hydraulic pipeline is-5 to 0 ℃, and the delay time is 0.9 s;
the temperature of the hydraulic pipeline is-10 to-5 ℃, and the delay time is 1.2 s;
the temperature of the hydraulic pipeline is-15 to-10 ℃, and the delay time is 2.0 s;
the temperature of the hydraulic pipeline is-20 to-15 ℃, and the delay time is 3.5 s;
the temperature of the hydraulic pipeline is-25 to-20 ℃, and the delay time is 5.5 s;
the temperature of the hydraulic pipeline is-30 to-25 ℃, and the delay time is 8.3 s.
Compared with the prior art, the invention has the beneficial effects that:
1. smooth roll replacement is guaranteed, manual confirmation of the position of the baffle and manual valve touch operation are avoided, and labor intensity is greatly reduced. The risk of poor action of the sight line in the middle and night shifts is avoided.
2. Avoid scraping and bumping and causing baffle deformation, pneumatic cylinder leakage accident in the roller process of taking out.
Detailed Description
The invention is further illustrated by the following examples:
the following examples describe the invention in detail. These examples are merely illustrative of the best embodiments of the present invention and do not limit the scope of the invention.
A method for ensuring a baffle cylinder of a coil separating and leveling machine to be accurately in place specifically comprises the following steps:
1) respectively installing 3 groups of 6 infrared temperature sensors on the working roll shaft end baffle hydraulic cylinder, the upper supporting roll shaft end baffle hydraulic cylinder and the lower supporting roll shaft end baffle hydraulic cylinder pipelines of the temper mill, wherein the 1 st group of 2 infrared temperature sensors are used for detecting the temperature of oil pipes of the inlet side working roll shaft end baffle hydraulic cylinder and the outlet side working roll shaft end baffle hydraulic cylinder; the 2 nd group of 2 infrared temperature sensors are used for detecting the temperature of oil pipes of the inlet side upper supporting roller end baffle hydraulic cylinder and the outlet side upper supporting roller end baffle hydraulic cylinder, and the 3 rd group of 2 infrared temperature sensors are used for detecting the temperature of the oil pipes of the inlet side lower supporting roller end baffle hydraulic cylinder and the outlet side lower supporting roller end baffle hydraulic cylinder;
2) and when the roll of the temper mill is changed, opening and closing delay actions of the working roll shaft end baffle, the upper supporting roll shaft end baffle and the lower supporting roll shaft end baffle are controlled according to the measured temperature of the hydraulic pipeline.
The delay time is determined through testing, under different environmental temperatures, the shaft end baffle is opened and closed through repeated tests, the temperature of the hydraulic pipeline is measured, and the time of delay increased by the action of the hydraulic cylinder of the shaft end baffle is recorded according to the test. The data with low detected data temperature in each group of 2 infrared temperature sensors are taken from the control points in the temper mill control system, the temperature sensors divide the actually detected temperature into 9 levels, and 9-level delay control is realized by the control points in the system through the 9 levels of temperature of the temperature sensors. The corresponding relation between the hydraulic pipeline temperature and the delay time determined according to the test result is as follows:
the corresponding delay time of the measured hydraulic pipeline temperature is as follows:
the temperature of the hydraulic pipeline is 10-15 ℃, and the delay time is 0.3 s;
the temperature of the hydraulic pipeline is 5-10 ℃, and the delay time is 0.5 s;
the temperature of the hydraulic pipeline is 0-5 ℃, and the delay time is 0.7 s;
the temperature of the hydraulic pipeline is-5 to 0 ℃, and the delay time is 0.9 s;
the temperature of the hydraulic pipeline is-10 to-5 ℃, and the delay time is 1.2 s;
the temperature of the hydraulic pipeline is-15 to-10 ℃, and the delay time is 2.0 s;
the temperature of the hydraulic pipeline is-20 to-15 ℃, and the delay time is 3.5 s;
the temperature of the hydraulic pipeline is-25 to-20 ℃, and the delay time is 5.5 s;
the temperature of the hydraulic pipeline is-30 to-25 ℃, and the delay time is 8.3 s.
Different temperatures respectively correspond to different delay times, and the hydraulic cylinder can be ensured to move in place in any temperature section.
Claims (3)
1. A method for ensuring that a baffle cylinder of a coil splitting line temper mill is accurately in place is characterized by comprising the following steps:
1) an infrared temperature sensor is added on the temper mill and is used for detecting the temperature of hydraulic pipelines on the inlet side and the outlet side of a working roll shaft end baffle hydraulic cylinder, an upper supporting roll shaft end baffle hydraulic cylinder and a lower supporting roll shaft end baffle hydraulic cylinder;
2) and when the roll of the temper mill is changed, opening and closing delay actions of the shaft end baffle of the working roll, the shaft end baffle of the upper supporting roll and the shaft end baffle of the lower supporting roll are controlled according to the measured temperatures of the hydraulic pipelines at the inlet side and the outlet side of the hydraulic cylinder of each shaft end baffle.
2. The method for ensuring the baffle cylinder of the coil dividing and leveling machine to be accurately in place according to claim 1, wherein 3 groups of 6 infrared temperature sensors are respectively arranged on the pipelines of the working roll shaft end baffle hydraulic cylinder, the upper supporting roll shaft end baffle hydraulic cylinder and the lower supporting roll shaft end baffle hydraulic cylinder of the leveling machine, and the 1 st group of 2 infrared temperature sensors are used for detecting the temperature of oil pipes of the inlet side working roll shaft end baffle hydraulic cylinder and the outlet side working roll shaft end baffle hydraulic cylinder; 2 nd group 2 infrared temperature sensors are used for detecting the oil pipe temperature of the inlet side upper supporting roller end baffle hydraulic cylinder and the outlet side upper supporting roller end baffle hydraulic cylinder, and 3 rd group 2 infrared temperature sensors are used for detecting the oil pipe temperature of the inlet side lower supporting roller end baffle hydraulic cylinder and the outlet side lower supporting roller end baffle hydraulic cylinder.
3. The method for ensuring the baffle cylinder of the coil dividing and leveling machine to be accurately in place as claimed in claim 1, wherein the delay time is obtained by repeatedly testing and opening and closing each shaft end baffle at different environmental temperatures, recording the measured hydraulic pipeline temperature, and recording the time increased by the action of the hydraulic cylinder of the shaft end baffle according to the measured hydraulic pipeline temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833454.XA CN110586656A (en) | 2019-09-04 | 2019-09-04 | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833454.XA CN110586656A (en) | 2019-09-04 | 2019-09-04 | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110586656A true CN110586656A (en) | 2019-12-20 |
Family
ID=68857538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833454.XA Pending CN110586656A (en) | 2019-09-04 | 2019-09-04 | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110586656A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096316A (en) * | 1983-10-31 | 1985-05-29 | Ito Seitetsushiyo:Kk | Adjusting device of rolling temperature of hot rolling material |
| CN101112710A (en) * | 2006-07-27 | 2008-01-30 | 宝山钢铁股份有限公司 | Arrangement for changing the position of roll-changing guided groove of the flattening roller |
| CN102107219A (en) * | 2009-12-25 | 2011-06-29 | 鞍钢股份有限公司 | Hydraulic control method for asymmetrical bowed roller of rolling mill |
| CN102419553A (en) * | 2010-09-28 | 2012-04-18 | 华东理工大学 | Hydraulic servo system digital model of cold continuous rolling temper mill and fault indicating method |
| CN103671308A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Hydraulic control device, method and system and engineering machine |
| CN104209321A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Double-rack six-roller UCM leveling and double cold reduction unit for production of tinned substrate |
| CN204710851U (en) * | 2015-05-18 | 2015-10-21 | 常州常宝精特能源管材有限公司 | A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure |
| CN105436204A (en) * | 2016-01-10 | 2016-03-30 | 东北大学 | Rolling device and method for high silicon steel |
| CN109351782A (en) * | 2018-10-09 | 2019-02-19 | 首钢京唐钢铁联合有限责任公司 | A kind of control method of planisher automatic string roller |
| CN109488654A (en) * | 2018-12-19 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of electro-hydraulic actuator displacement control method |
| CN110026440A (en) * | 2019-03-20 | 2019-07-19 | 宁波中超机器有限公司 | Holding-down device of hydraulic and its calibration method for milling train |
-
2019
- 2019-09-04 CN CN201910833454.XA patent/CN110586656A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096316A (en) * | 1983-10-31 | 1985-05-29 | Ito Seitetsushiyo:Kk | Adjusting device of rolling temperature of hot rolling material |
| CN101112710A (en) * | 2006-07-27 | 2008-01-30 | 宝山钢铁股份有限公司 | Arrangement for changing the position of roll-changing guided groove of the flattening roller |
| CN102107219A (en) * | 2009-12-25 | 2011-06-29 | 鞍钢股份有限公司 | Hydraulic control method for asymmetrical bowed roller of rolling mill |
| CN102419553A (en) * | 2010-09-28 | 2012-04-18 | 华东理工大学 | Hydraulic servo system digital model of cold continuous rolling temper mill and fault indicating method |
| CN103671308A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Hydraulic control device, method and system and engineering machine |
| CN104209321A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Double-rack six-roller UCM leveling and double cold reduction unit for production of tinned substrate |
| CN204710851U (en) * | 2015-05-18 | 2015-10-21 | 常州常宝精特能源管材有限公司 | A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure |
| CN105436204A (en) * | 2016-01-10 | 2016-03-30 | 东北大学 | Rolling device and method for high silicon steel |
| CN109351782A (en) * | 2018-10-09 | 2019-02-19 | 首钢京唐钢铁联合有限责任公司 | A kind of control method of planisher automatic string roller |
| CN109488654A (en) * | 2018-12-19 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of electro-hydraulic actuator displacement control method |
| CN110026440A (en) * | 2019-03-20 | 2019-07-19 | 宁波中超机器有限公司 | Holding-down device of hydraulic and its calibration method for milling train |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102773265B (en) | System for controlling deviation of strip steel | |
| CH688180A5 (en) | Measuring device for roll gap control. | |
| US8616035B2 (en) | Method for controlling lateral guiding devices for a metal strip | |
| CN110042184B (en) | Method for monitoring falling of material distribution chute of blast furnace | |
| CN110586656A (en) | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill | |
| CN103451588B (en) | A kind of control method of continuous galvanizing line edge dam | |
| CN104874614A (en) | Emulsion fine cooling system control method and control device | |
| CN105986116A (en) | Method for controlling deviation of strip steel in continuous annealing furnace | |
| CN103624093A (en) | Cooling system for intermediate steel billets | |
| CN107971344B (en) | Basic automatic control system and control method for steel pipe online cooling | |
| CN110871221B (en) | Method and device for preventing coiler from steel scrap | |
| CN106670242B (en) | The device of the offline Strip Shape of On-line Control | |
| CN202272911U (en) | Device for measuring erosion thickness of converter lining | |
| US4974333A (en) | Width measuring device | |
| CN101776646A (en) | Automatic crack detection system and method for medium-thick plate | |
| EP3083104B1 (en) | Open or closed-loop control device for a supporting-roller frame of a continuous casting machine | |
| CN204086188U (en) | A kind of device for surveying interface heat exchange coefficient | |
| CN215355249U (en) | Ventilation and dust removal system for closed greenhouse of coke oven | |
| CN206794377U (en) | A kind of hot rolling surface detector water-proof protection device | |
| CN113263057B (en) | Monitoring and early warning method for rigidity precision of hot-rolled strip steel coiling machine | |
| CN1624158A (en) | In-line moniting controlling system of blast furnace coal powder injection | |
| CN109550783B (en) | Rolling method of one-pass trapezoidal slab | |
| CN102839248A (en) | Online detection device and detection method of blast furnace swinging chute | |
| EP4249143A1 (en) | Apparatus and method for carrying out measurements on a material being processed in a rolling plant | |
| CN103395648B (en) | A kind of strip reel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |